CN103187157B - Multilayer inductor - Google Patents
Multilayer inductor Download PDFInfo
- Publication number
- CN103187157B CN103187157B CN201210580747.XA CN201210580747A CN103187157B CN 103187157 B CN103187157 B CN 103187157B CN 201210580747 A CN201210580747 A CN 201210580747A CN 103187157 B CN103187157 B CN 103187157B
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- China
- Prior art keywords
- distance piece
- coil component
- induction apparatuss
- laminate
- multilamellar
- Prior art date
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- 230000006698 induction Effects 0.000 claims description 54
- 239000000126 substance Substances 0.000 claims description 45
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 abstract description 2
- 239000003989 dielectric material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007850 degeneration Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910010252 TiO3 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Disclosed herein is a multilayer inductor. The multilayer inductor according to an exemplary embodiment of the present invention includes a laminate on which a plurality of body sheets are multilayered; a coil part configured to have internal electrode patterns formed on the body sheet; a first gap made of a non-magnetic material located between the multilayered body sheets; a second gap made of a dielectric material located between the multilayered body sheets and located on a layer different from the first gap; and external electrodes formed on both surfaces of the laminate and electrically connected with both ends of the coil part. By this configuration, the exemplary embodiment of the present invention can remarkably improve DC biased characteristics without reducing breaking strength of the inductor.
Description
Cross-Reference to Related Applications
According to Section 119 of the chapter of United States Code No. 35, this application claims that what is submitted on December 28th, 2011 is entitled
“Multilayer Inductor（Multilamellar induction apparatuss）" korean patent application sequence No.10-2011-0144812 rights and interests,
It is attached in the application entirely through citation.
Technical field
The present invention relates to a kind of induction apparatuss（inductor）, more specifically it relates to a kind of by stacking（multilayer）
Multiple body sheets of internal electrode pattern are printed with thereon（body sheet）And form the multilamellar induction apparatuss of coil component.
Background technology
The power circuit being mainly used in portable device（Such as DC-DC current transformers）Multilamellar induction apparatuss have developed into it is little
Type, and realize high current, low DC resistance etc..Recently, with to high frequency and small-sized DC-DC current transformers increase in demand,
Existing convolute coil is replaced to increase using multilamellar induction apparatuss.
Multilamellar induction apparatuss are by such laminate（laminate）Construction, in the laminate, with the magnetic of multiple layer stackups
Property part and the nonmagnetic layer being inserted in magnetic part are complicated, and are had a structure in which, in the structure shown here,
The Inside coil of conducting metal is formed with magnetic part or non-magnetic part, and is formed with punching in each layer, with it is many
Individual layer connection.
When magnetic is used for into multilamellar induction apparatuss, the ferrite for including Ni, Zn, Cu etc. can be generally used
（ferrite）, and when nonmagnetic material is used for into multilamellar induction apparatuss, generally can use include the ferrite of Zn and Cu, Zr or
Person includes TiO3、SiO2、Al2O3Deng glass.
So, due to magnetic as electric current increases and magnetic saturation, multilamellar induction apparatuss cause the degeneration of inductance（DC biasings are special
The degeneration of property）.In order to solve problem above, using a kind of by the direction identical horizontal direction with laminated magnetic body
Method of the insertion nonmagnetic material to strengthen DC biasing characteristics.
However, nonmagnetic material can diffuse to magnetic, and therefore the loss coefficient of material may increase.Additionally, by
In diffusing to magnetic, it is impossible to make the lower thickness of nonmagnetic material.
Additionally, in order to solve diffusion problem, dielectric substance can be inserted in induction apparatuss, but due to being non-sintered
, bond strength reduce, and therefore induction apparatuss fracture strength reduce.
The content of the invention
It is an object of the present invention to provide such a multilamellar induction apparatuss, it can use nonmagnetic substance by comprehensive
Distance piece（gap）Fracture strength and DC biasing characteristics are improved with the distance piece of dielectric substance.
An a kind of illustrative embodiments of the invention, there is provided multilamellar induction apparatuss, including：Laminate, at this
Multiple body sheets are laminated with laminate；Coil component, is configured with the internal electrode pattern being formed on body sheet；First
Distance piece, is made up of the nonmagnetic substance between the body sheet positioned at stacking；Second distance piece, by positioned at stacking body sheet it
Between dielectric substance make, and on the layer different from the first distance piece；And outer electrode, it is formed in the two of laminate
On individual surface, and electrically connect with two ends of coil component.
First distance piece can be formed as having the internal electrode pattern that be enough to contact simultaneously on its top and be located at
The thickness of the internal electrode pattern on its bottom.
First distance piece may be positioned such that internal electrode pattern of the contact on its top.
Second distance piece can be formed from the central authorities of coil component to the inner side of coil component.
Second distance piece can be formed from the central authorities of coil component to the outside of coil component.
Second distance piece can be printed in any one of the top surface of body sheet and lower surface.
A kind of another illustrative embodiments of the invention, there is provided multilamellar induction apparatuss, including：Laminate,
Multiple body sheets are laminated with the laminate；Coil component, is configured with the internal electrode pattern being formed on body sheet；The
One distance piece, is made up of the nonmagnetic substance between the body sheet positioned at stacking；Second distance piece, by the body sheet positioned at stacking
Between dielectric substance make, and positioned at the first distance piece identical layer on；Outer electrode, is formed in two of laminate
On surface, and electrically connect with two ends of coil component.
First distance piece may be located at two ends of the second distance piece.
Second distance piece can be formed from the central authorities of coil component to the outside of coil component.
Second distance piece can be formed from the central authorities of coil component to the inner side of coil component.
Second distance piece may be located at two ends of the first distance piece.
First distance piece can be formed from the central authorities of coil component to the outside of coil component.
First distance piece can be formed from the central authorities of coil component to the inner side of coil component.
First distance piece can be formed as having the internal electrode pattern that be enough to contact simultaneously on its top and be located at
The thickness of the internal electrode pattern on its bottom.
Second distance piece can be formed as having the internal electrode pattern that be enough to contact simultaneously on its top and be located at
The thickness of the internal electrode pattern on its bottom.
Description of the drawings
Fig. 1 is the axonometric chart of the multilamellar induction apparatuss of an illustrative embodiments of the invention；
Fig. 2 is the cross-sectional view intercepted along the line I-I ' of Fig. 1；
Fig. 3 shows the chart of the characteristic of the multilamellar induction apparatuss of the illustrative embodiments of the invention；And
Fig. 4 A to Fig. 4 L are the cross-sectional views of the multilamellar induction apparatuss of the embodiment of the invention.
Specific embodiment
Hereinafter, the illustrative embodiments of the present invention are described with reference to the accompanying drawings.However, only describing by way of example
Illustrative embodiments, and the invention is not restricted to this.
In the description present invention, when the detailed description to widely-known technique related to the present invention may be unnecessarily
During so that the spirit of the present invention not known, its detailed description will be omitted.Additionally, terms below is in view of function of the invention
Definition, and can in a different manner be understood according to the intention of user and operator.Therefore, its definition should be based on whole
The content of description is understanding.
Therefore, spirit of the invention is determined by claim, and can provide following exemplary embodiment, with
Those skilled in the art are effectively described with the spirit of the present invention.
Fig. 1 is the axonometric chart of the multilamellar induction apparatuss 100 of an illustrative embodiments of the invention, and Fig. 2 is
Along the cross-sectional view that the line I-I ' of Fig. 1 is intercepted.See figures.1.and.2, an illustrative embodiments of the invention it is many
Layer induction apparatus 100 can include laminate 110, coil component 140, the first distance piece, the second distance piece and outer electrode
120。
Laminate 110 with the body sheet of several layer stackup Ferrite Materials by being formed.Generally, ferrite（It is all
Such as has the material of magnetic ceramics）For magnetic field has a high-permeability and high resistance, and therefore have been used for various electronics
Part.
Body sheet produced as sheets, and the top surface of body sheet is formed with internal electrode pattern 130.Internal electrode figure
Case 130 with several layer stackup body sheets by vertically being assembled, and coil component 140 is by the internal electrode figure that assembles
Case 130 and make.
Additionally, two surfaces of laminate 110 are both provided with outer electrode 120, wherein, outer electrode 120 and coil portion
Two ends electrical connection of part.Coil component 140 in laminate 110 is by outer electrode 120 and external electrical connections.
Meanwhile, the first distance piece 150 is located between the body sheet of stacking and by nonmagnetic substance to be made.First distance piece
150 make ferritic effective permeability reduce and make saturation delay, therefore improve DC biasing characteristics.When nonmagnetic material is used
It is Cu, Zn, Fe etc. when making the first distance piece 150.
Additionally, the second distance piece 160 is located between the body sheet of stacking, and the second interval by made by dielectric substance
Part 160 is formed on the layers different from the first distance piece 150.The second distance piece 160 from dielectric substance made by do not allow to
The diffusion of magnetic, and therefore can be formed by thin thickness in the case where the loss coefficient of material is not increased.
So, the multilamellar induction apparatuss 100 of the illustrative embodiments of the invention are synthetically used by non magnetic material
First distance piece 150 made by material and by made by dielectric substance the second distance piece 160, so as to not reduce the disconnected of induction apparatuss
DC biasing characteristics are significantly improved in the case of resistance to spalling.
Fig. 3 shows the chart of the characteristic of the multilamellar induction apparatuss of the illustrative embodiments of the invention, wherein,
■ lines are shown in which the characteristic of the induction apparatuss that distance piece is formed from the central authorities of coil component to two ends of laminate, and
And ● line is shown in which the characteristic of the induction apparatuss that distance piece is formed from the central authorities of coil component to the inner side of coil component.This
Outward, ▲ line shows the induction apparatuss of the invention of the distance piece of the distance piece and dielectric substance that synthetically use nonmagnetic substance
Characteristic.
Will recognize from Fig. 3, its spacers is formed from the central authorities of coil component to two ends of laminate
The DC biasing characteristics of induction apparatuss ■ are than sensing that its spacers is formed from the central authorities of coil component to the inner side of coil component
Device ● DC biasing characteristics it is more superior.Will recognize, induction apparatuss ▲ the show ratio of the illustrative embodiments of the present invention
The DC biasing characteristics of the induction apparatuss ■ that its spacers is formed from the central authorities of coil component to two ends of laminate are more excellent
DC biasing characteristics more.
Here, the first distance piece 150 can be formed as having the internal electrode figure that be enough to contact simultaneously on its top
The thickness of case 130 and the internal electrode pattern on its bottom 130, and also may be positioned such that contact is located on its top
Internal electrode pattern 130.
Additionally, the second distance piece 160 can be formed to the inner side of coil component from the central authorities of coil component 140 or from
The central authorities of coil component 140 are formed to the outside of coil component.Additionally, the second distance piece 160 can be printed on body sheet
On any one of top surface and lower surface.
Meanwhile, in the multilamellar induction apparatuss of another illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 may be located on identical layer.
Additionally, the first distance piece 150 may be located on two ends of the second distance piece 160, and the second distance piece 160
Can be formed to the outside of coil component from the central authorities of coil component 140 or from the central authorities of coil component 140 to coil portion
The inner side of part and formed.
Additionally, the second distance piece 160 may be located on two ends of the first distance piece 150, and the first distance piece 150
Can be formed to the outside of coil component from the central authorities of coil component 140 or from the central authorities of coil component 140 to coil portion
The inner side of part and formed.
In addition, the first distance piece 150 and the second distance piece 160 can be formed as having be enough to contact simultaneously positioned at its top
On internal electrode pattern 130 and the internal electrode pattern 130 on its bottom thickness.
Fig. 4 A to 4L are the diagrams of the several illustrative embodiments for showing in detail the present invention as above.By reference
The illustrative embodiments of Fig. 4 A to Fig. 4 L description present invention.In order to refer to, the multilamellar induction apparatuss shown in Fig. 4 A to 4L are first
The distance piece 160 of distance piece 150 and second has in shape a difference, and therefore only describes the first distance piece 150 and the below
Two distance pieces 160.
Reference picture 4A, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 be formed at two ends of laminate 110, and the first distance piece 150 can be formed as having foot
The thickness of internal electrode pattern and the internal electrode pattern on its bottom with contact simultaneously on its top.Additionally,
The second distance piece 160 can be formed from the central authorities of coil component 140 to the inner side of coil component by made by dielectric substance.
Reference picture 4B, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 be formed at two ends of laminate 110, and the first distance piece 150 can be formed as having foot
The thickness of internal electrode pattern and the internal electrode pattern on its bottom with contact simultaneously on its top.Additionally,
The second distance piece 160 can be formed from the central authorities of coil component 140 to the outside of coil component by made by dielectric substance
Or formed to the inner side of coil component from the central authorities of coil component 140.
Reference picture 4C, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 can be formed at two ends of laminate 110, and be positioned to contact interior on its top
Portion's electrode pattern 130.Additionally, the second distance piece 160 is from the central authorities of coil component 140 to coil portion by made by dielectric substance
The outside of part and formed or formed to the inner side of coil component from the central authorities of coil component 140.
Reference picture 4D, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the centre of coil component 140 to the outside of coil component, and the first distance piece 150 can be formed
In two ends of the second distance piece 160.
Reference picture 4E, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the central authorities of coil component 140 to the inner side of coil component, and the first distance piece 150 can be formed
In two ends of the second distance piece 160.
Reference picture 4F, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the central authorities of coil component 140 to the inner side of coil component, and the first distance piece 150 can be formed
In two ends of the second distance piece 160.Additionally, the first distance piece 150 can be with from the outside of coil component 140 to lamination
Two ends of part 110 and formed.
Reference picture 4G, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the first interval
Part 150 can be formed from the central authorities of coil component 140 to the outside of coil component, and the second distance piece 160 can be formed
In two ends of the first distance piece 150.
Reference picture 4H, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the central authorities of coil component 140 to the outside of coil component, and the first distance piece 150 can be formed
In two ends of the second distance piece 160.Additionally, the first distance piece 150 can be with from the outside of coil component 140 to lamination
Two ends of part 110 and formed.
Reference picture 4I, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the central authorities of coil component 140 to the inner side of coil component, and the first distance piece 150 can be from line
The outside of coil component 140 is formed to two ends of laminate 110.
Reference picture 4J, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the first interval
Part 150 can be formed from the central authorities of coil component 140 to the inner side of coil component, and the second distance piece 160 can be formed
In two ends of the first distance piece 150.
Reference picture 4K, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the first interval
Part 150 can be formed from the central authorities of coil component 140 to the outside of coil component, and the second distance piece 160 can be formed
In two ends of the first distance piece 150.In addition, the first distance piece 150 and the second distance piece 160 can be formed as having foot
The thickness of internal electrode pattern and the internal electrode pattern on its bottom with contact simultaneously on its top.
Reference picture 4L, in the multilamellar induction apparatuss of the illustrative embodiments of the invention, by nonmagnetic substance system
Into the first distance piece 150 and by made by dielectric substance the second distance piece 160 is located on identical layer, and the second interval
Part 160 can be formed from the central authorities of coil component 140 to the outside of coil component, and the first distance piece 150 can be formed
In two ends of the second distance piece 160.In addition, the first distance piece 150 and the second distance piece 160 can be formed as having foot
The thickness of internal electrode pattern and the internal electrode pattern on its bottom with contact simultaneously on its top.
According to the multilamellar induction apparatuss of the illustrative embodiments of the invention, by synthetically using nonmagnetic substance
Distance piece and dielectric substance distance piece, DC can be significantly improved in the case where the fracture strength of induction apparatuss is not reduced inclined
Put characteristic.
Although having disclosed the illustrative embodiments of the present invention for exemplary purposes, those skilled in the art will
Recognize, in the case of without departing substantially from the scope and spirit of the present invention as disclosed in claims, can make various
Modification, addition and replacement.
Therefore, the scope of the present invention should not be considered limited to described embodiment, but by claims
And its equivalent is limited.
Claims (9)
1. a kind of multilamellar induction apparatuss, including：
Laminate, is laminated with multiple body sheets in the laminate；
Coil component, is configured with the internal electrode pattern being formed on the body sheet；
First distance piece, by positioned at stacking body sheet between with from the group being made up of copper (Cu), zinc (Zn) and ferrum (Fe)
At least one nonmagnetic substance of middle selection is made, and with the length of the length equal to the body sheet；
Second distance piece, is made up of dielectric substance, the shape from the outside in the central authorities to the coil component of the coil component
Into between the body sheet of stacking, and on the layer different from first distance piece；And
Outer electrode, is formed on two surfaces of the laminate, and electrically connects with two ends of the coil component.
2. multilamellar induction apparatuss according to claim 1, wherein, first distance piece is formed as having and be enough to contact simultaneously
Internal electrode pattern on the top of first distance piece and the inside electricity on the bottom of first distance piece
The thickness of pole figure case.
3. multilamellar induction apparatuss according to claim 1, wherein, first distance piece is positioned to contact and is located at described first
Internal electrode pattern on the top of distance piece.
4. multilamellar induction apparatuss according to claim 1, wherein, second distance piece is printed on the top of the body sheet
On any one of surface and lower surface.
5. a kind of multilamellar induction apparatuss, including：
Laminate, is laminated with multiple body sheets in the laminate；
Coil component, is configured with the internal electrode pattern being formed on the body sheet；
First distance piece, by positioned at stacking body sheet between with from the group being made up of copper (Cu), zinc (Zn) and ferrum (Fe)
At least one nonmagnetic substance of middle selection is made；
Second distance piece, is made up of the dielectric substance between the body sheet positioned at stacking；And
Outer electrode, is formed on two surfaces of the laminate, and electrically connects with two ends of the coil component,
Wherein, first distance piece, second distance piece and the coil component are located on identical layer.
6. multilamellar induction apparatuss according to claim 5, wherein, first distance piece is located at the outer of the coil component
Side.
7. multilamellar induction apparatuss according to claim 6, wherein, second distance piece from the central authorities of the coil component to
The inner side of the coil component and formed.
8. multilamellar induction apparatuss according to claim 5, wherein, second distance piece is located at the outer of the coil component
Side.
9. multilamellar induction apparatuss according to claim 8, wherein, first distance piece from the central authorities of the coil component to
The inner side of the coil component and formed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110144812A KR101332100B1 (en) | 2011-12-28 | 2011-12-28 | Multilayer inductor |
| KR10-2011-0144812 | 2011-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187157A CN103187157A (en) | 2013-07-03 |
| CN103187157B true CN103187157B (en) | 2017-04-26 |
Family
ID=48678284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580747.XA Expired - Fee Related CN103187157B (en) | 2011-12-28 | 2012-12-27 | Multilayer inductor |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US20130169404A1 (en) |
| JP (1) | JP5457542B2 (en) |
| KR (1) | KR101332100B1 (en) |
| CN (1) | CN103187157B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101332100B1 (en) * | 2011-12-28 | 2013-11-21 | 삼성전기주식회사 | Multilayer inductor |
| JP6264774B2 (en) * | 2013-08-08 | 2018-01-24 | Tdk株式会社 | Multilayer coil parts |
| KR20150080797A (en) * | 2014-01-02 | 2015-07-10 | 삼성전기주식회사 | Ceramic electronic component |
| KR102085591B1 (en) * | 2014-03-10 | 2020-04-14 | 삼성전기주식회사 | Chip type coil component and board for mounting the same |
| KR101994734B1 (en) | 2014-04-02 | 2019-07-01 | 삼성전기주식회사 | Multilayered electronic component and manufacturing method thereof |
| KR102105393B1 (en) * | 2015-01-27 | 2020-04-28 | 삼성전기주식회사 | Coil component and and board for mounting the same |
| JP6614050B2 (en) * | 2016-07-01 | 2019-12-04 | 株式会社村田製作所 | Common mode choke coil |
| JP6520880B2 (en) * | 2016-09-26 | 2019-05-29 | 株式会社村田製作所 | Electronic parts |
| CN108231359A (en) * | 2016-12-14 | 2018-06-29 | 三星电机株式会社 | Common-mode filter |
| JP6784188B2 (en) * | 2017-02-14 | 2020-11-11 | Tdk株式会社 | Multilayer coil parts |
| KR101942730B1 (en) * | 2017-02-20 | 2019-01-28 | 삼성전기 주식회사 | Coil electronic component |
| WO2018235550A1 (en) * | 2017-06-19 | 2018-12-27 | 株式会社村田製作所 | Coil component |
| JP7037294B2 (en) * | 2017-07-24 | 2022-03-16 | 太陽誘電株式会社 | Coil parts |
| KR102511872B1 (en) * | 2017-12-27 | 2023-03-20 | 삼성전기주식회사 | Coil Electronic Component |
| KR102597155B1 (en) * | 2018-05-24 | 2023-11-02 | 삼성전기주식회사 | Coil component |
| KR20200036237A (en) * | 2018-09-28 | 2020-04-07 | 삼성전기주식회사 | Coil electronic component |
| KR102404315B1 (en) * | 2020-05-08 | 2022-06-07 | 삼성전기주식회사 | Coil component |
| KR20220073086A (en) * | 2020-11-26 | 2022-06-03 | 삼성전기주식회사 | Coil component |
| CN116825516A (en) | 2022-03-21 | 2023-09-29 | 斯特华(佛山)磁材有限公司 | Multilayer inductor structure |
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| JP2001044037A (en) * | 1999-08-03 | 2001-02-16 | Taiyo Yuden Co Ltd | Laminated inductor |
| JP4304019B2 (en) * | 2003-07-24 | 2009-07-29 | Ｆｄｋ株式会社 | Magnetic core type multilayer inductor |
| JPWO2005122192A1 (en) * | 2004-06-07 | 2008-04-10 | 株式会社村田製作所 | Laminated coil |
| EP1710814B1 (en) * | 2005-01-07 | 2008-05-14 | Murata Manufacturing Co., Ltd. | Laminated coil |
| JP4725120B2 (en) * | 2005-02-07 | 2011-07-13 | 日立金属株式会社 | Multilayer inductor and multilayer substrate |
| US7994889B2 (en) | 2006-06-01 | 2011-08-09 | Taiyo Yuden Co., Ltd. | Multilayer inductor |
| JP2007324555A (en) * | 2006-06-01 | 2007-12-13 | Taiyo Yuden Co Ltd | Laminated inductor |
| JP5339398B2 (en) * | 2006-07-12 | 2013-11-13 | Ｆｄｋ株式会社 | Multilayer inductor |
| JP4737199B2 (en) | 2006-08-07 | 2011-07-27 | 株式会社村田製作所 | Multilayer coil parts |
| KR100905850B1 (en) * | 2007-08-20 | 2009-07-02 | 삼성전기주식회사 | Laminated inductor |
| US20110095856A1 (en) | 2008-05-09 | 2011-04-28 | Taiyo Yuden Co., Ltd. | Multi layer inductor and method for manufacturing the same |
| US8587400B2 (en) * | 2008-07-30 | 2013-11-19 | Taiyo Yuden Co., Ltd. | Laminated inductor, method for manufacturing the laminated inductor, and laminated choke coil |
| JP5009267B2 (en) | 2008-10-31 | 2012-08-22 | Ｔｄｋ株式会社 | Manufacturing method of multilayer inductor |
| JP5333461B2 (en) * | 2009-01-22 | 2013-11-06 | 株式会社村田製作所 | Multilayer inductor |
| KR101214749B1 (en) * | 2011-04-25 | 2012-12-21 | 삼성전기주식회사 | Multi-layered power inductor |
| US8674418B2 (en) * | 2011-08-19 | 2014-03-18 | National Semiconductor Corporation | Method and apparatus for achieving galvanic isolation in package having integral isolation medium |
| KR101332100B1 (en) * | 2011-12-28 | 2013-11-21 | 삼성전기주식회사 | Multilayer inductor |
-
2011
- 2011-12-28 KR KR1020110144812A patent/KR101332100B1/en active IP Right Grant
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2012
- 2012-12-19 JP JP2012276518A patent/JP5457542B2/en not_active Expired - Fee Related
- 2012-12-27 CN CN201210580747.XA patent/CN103187157B/en not_active Expired - Fee Related
- 2012-12-28 US US13/730,679 patent/US20130169404A1/en not_active Abandoned
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2014
- 2014-06-20 US US14/311,040 patent/US9349525B2/en active Active
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| US20140300441A1 (en) | 2014-10-09 |
| CN103187157A (en) | 2013-07-03 |
| US9607753B2 (en) | 2017-03-28 |
| US9349525B2 (en) | 2016-05-24 |
| JP5457542B2 (en) | 2014-04-02 |
| KR20130076285A (en) | 2013-07-08 |
| KR101332100B1 (en) | 2013-11-21 |
| US20150325360A1 (en) | 2015-11-12 |
| JP2013140958A (en) | 2013-07-18 |
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